CN207684687U - A kind of overhead speed limiter tensioning device - Google Patents
A kind of overhead speed limiter tensioning device Download PDFInfo
- Publication number
- CN207684687U CN207684687U CN201720994541.XU CN201720994541U CN207684687U CN 207684687 U CN207684687 U CN 207684687U CN 201720994541 U CN201720994541 U CN 201720994541U CN 207684687 U CN207684687 U CN 207684687U
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- bending part
- speed
- wheel
- limiter
- fixed seat
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Abstract
The utility model belongs to elevator safety technical field, it is a kind of overhead speed limiter tensioning device, including upper speed limit device wheel, wheel shaft, limiter of speed wheel cap, fixed seat and elastic element, the both ends outward bending of limiter of speed wheel cap bottom forms the first bending part, both ends outward bending forms the second bending part at the top of fixed seat, it is respectively connected with an elastic element between first bending part and the second bending part of the same side, it is connected with a connecting plate on the second bending lower surface of fixed seat at one end, connecting plate lower end is connected with Non auto-reset switch, when upper speed limit device wheel is by pulling force effect, Non auto-reset switch with the first bending part from；When upper speed limit device wheel is not by pulling force, the first bending part is triggered elevator safety loop disconnection by elastic element pulling force effect and Non auto-reset switch contact, and elevator is out of service.The overhead speed limiter tensioning device of the utility model, enable to pit depth reduce, pit device reduce, easy to maintenance and safety coefficient it is high.
Description
Technical field
The utility model belongs to elevator safety protection technique field, and in particular to a kind of overhead speed limiter tensioning device.
Background technology
Swelling device is one of the safety con-trol part in elevator safety protection system, be elevator safety component in speed limit
The attachment of device ensures that limiter of speed and safety tongs action are safe and reliable to tense and limit speed limiter wire rope.Elevator is being run
In, no matter which kind of reason makes the danger that car occurs hypervelocity, even falls, and every other safety guard does not act as
In the case of, with other components linkage action occurs for swelling device, and lift car is made to stop.
In the prior art, elevator governor swelling device is typically mounted in pit, including connecting rod, clump weight, tensioner
Wheel, clump weight are located at expansion tightening wheel side or bottom, and when working properly, expansion tightening wheel is by downward power, to which steel wire rope tenses,
Elevator works normally at this time, but when restricting overrelaxation or being broken, expansion tightening wheel can then trigger no longer by downward pulling force at this time
Switch, switch can automatically cut off system power supply, make elevator emergency stop, avoid causing danger.
But such swelling device structure is to meet the requirement of expanding force, clump weight volume is larger, occupy more hoistway,
Pit area, if while swelling device break down, maintenance personal need to descend pit overhaul, and pit space is small, and repair is very not
Just, if elevator is fallen, pit maintenance personal easily causes danger.With the rising of land price, developer is in order to save building
Space, the very little that hoistway space is designed bring inconvenience, security performance to be greatly reduced to elevator installation.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of overhead speed limiter tensioning device, enables to bottom
Cheat depth reduce, pit device reduce, easy to maintenance and safety coefficient it is high.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of overhead speed limiter tensioning device, including upper speed limit device wheel, wheel shaft, speed limit device wheel
Lid, fixed seat and elastic element, the bottom of the fixed seat are connect with the top of the limiter of speed wheel cap, the limiter of speed wheel cap
The both ends outward bending of bottom forms the first bending part, and fixed seat top both ends outward bending forms the second bending part, institute
It states wheel shaft to be fixed on the lower surface of first bending part, the upper speed limit device wheel is set on the wheel shaft and the upper limit
Fast device wheel is located at below the limiter of speed wheel cap, is located between first bending part and second bending part of the same side
It is connected with an elastic element, the elastic element is applied with pulling force to first bending part and second bending part,
It is connected with a connecting plate on the second bending lower surface of the fixed seat at one end, the connecting plate lower end is connected with one
Non auto-reset switch, the upper speed limit device wheel by the steel wire rope for being connected with elevator pulling force effect when, the Non auto-reset
Switch with first bending part from；When the steel wire rope of elevator does not apply pulling force to the upper speed limit device wheel, described first is curved
Folding part is by the elastic element pulling force effect and the Non auto-reset switch contact, and the safety return circuit for triggering elevator disconnects,
Elevator is out of service.
Optionally, the fixed seat is fixed in computer room on girder steel, and recessed formation recessed portion, described among the fixed seat
The top of limiter of speed wheel cap and the bottom of the recessed portion of the fixed seat are bolted to connection；
Optionally, the Non auto-reset switch is contact switch；
Optionally, the wheel shaft both ends are mounted on by U-bolt on first bending part；
Optionally, the connecting plate is stainless steel connecting plate, and the fixed seat is stainless steel fixed seat, the speed limit device wheel
Lid is stainless steel limiter of speed wheel cap；
Optionally, the elastic element is stainless steel spring；
Optionally, first bending part is equipped with the first suspension hook, is hung corresponding to described first on second bending part
The position of hook is equipped with the second suspension hook, and the both ends of the elastic element connect with first suspension hook and second suspension hook respectively
It connects；
Optionally, it is located between first bending part and second bending part of the same side and passes through two bullets
Property element connection；
The utility model achieves following technique effect compared with the existing technology：
Speed limiter tensioning device is arranged on top layer limiter of speed the overhead speed limiter tensioning device of the utility model,
Device is small and exquisite simple, if breaking down, maintenance personal directly upper can repair maintenance up to computer room to this device, space in computer room
Sufficient, movable range is big, maintenance operation is convenient, and safety coefficient is high.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of overhead speed limiter tensioning device front view in utility model embodiment；
Fig. 2 is a kind of overhead speed limiter tensioning device left view in utility model embodiment；
Fig. 3 is a kind of overhead speed limiter tensioning device vertical view in utility model embodiment；
Reference sign：1, upper speed limit device wheel；2, wheel shaft；3, limiter of speed wheel cap；4, fixed seat；5, elastic element；6、
First suspension hook；7, the second suspension hook；8, connecting plate；9, Non auto-reset switchs；10, steel wire rope.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of overhead speed limiter tensioning device, and the apparatus structure is simple, detachable,
It can solve the safety problem for worker's repair that existing elevator expansion apparatus faces so that maintenance personal directly upper can reach computer room pair
This device repairs maintenance, and space is sufficient in computer room, movable range is big, maintenance operation is convenient, and safety coefficient is high.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
The utility model provides a kind of overhead speed limiter tensioning device, as shown in Figure 1, Figure 2, Figure 3 shows, overhead limiter of speed
Swelling device includes upper speed limit device wheel 1, wheel shaft 2, limiter of speed wheel cap 3, fixed seat 4 and elastic element 5, and fixed seat 4 is fixed on machine
In room on girder steel, realizes the lifting for overhead speed limiter tensioning device, be fixed, can be torn open by screws bolts
It unloads.The both ends outward bending of 3 bottom of limiter of speed wheel cap forms the first bending part, and 4 top both ends outward bending of fixed seat forms the
Two bending parts, the first bending part and the second bending part are symmetrical arranged, and can keep the balance of overhead speed limiter tensioning device, energy
The operating status of enough steady control elevators.The bottom of fixed seat 4 is connect with the top of limiter of speed wheel cap 3, and wheel shaft 2 is fixed on first
On the lower surface of bending part, upper speed limit device wheel 1 is set on wheel shaft 2 and upper speed limit device wheel 1 is located at 3 lower section of limiter of speed wheel cap, is
It prevents elevator rope from loosening or fracture causes elevator accident suddenly, cause casualties, overhead limiter of speed tensioner dress
It installs and is equipped with safety return circuit, an elastic element is respectively connected between first bending part and second bending part of the same side
5, elastic element 5 is applied with pulling force, the second bending lower surface of fixed seat 4 at one end to the first bending part and the second bending part
On be connected with a connecting plate 8,8 lower end of connecting plate is connected with a Non auto-reset switch 9, and upper speed limit device wheel 1 is connected with elevator
Steel wire rope pulling force effect when, Non auto-reset switch 9 and the first bending part from；The steel wire rope of elevator is not to upper limiter of speed
When wheel 1 applies pulling force, the first bending part is contacted by 5 pulling force effect of elastic element with Non auto-reset switch 9, and triggers elevator
Safety return circuit disconnects, and elevator is out of service, is effectively guaranteed the safety of personnel.
In order to further ensure the stability of device, recessed formation recessed portion, the top of limiter of speed wheel cap 3 among fixed seat 4
Portion and the bottom of the recessed portion of fixed seat 4 are bolted to connection, and the mode being bolted is convenient for limiter of speed wheel cap 3
It is dismantled with fixed seat 4.
In specific embodiment of the utility model, as shown in Figure 1, wheel shaft 2 is fixed on the lower surface of the first bending part,
And installed and be fixedly mounted by U-bolt, upper speed limit device wheel 1 is set on wheel shaft 2 and upper speed limit device wheel 1 is located at limiter of speed wheel cap
3 lower sections, upper speed limit device wheel 1 can be rotated by bearing on wheel shaft 2, and the normal operation of elevator is controlled.
Elevator rope loosens in order to prevent or fracture causes elevator accident suddenly, causes casualties, new in this practicality
In the specific embodiment of type, as shown in Fig. 2, elastic element 5 is chosen for stainless steel spring, at low cost and elastic effect is good.First
Bending part is equipped with the first suspension hook 6, and the position that the first suspension hook 6 is corresponded on the second bending part is equipped with the second suspension hook 7, stainless steel
The both ends of spring are connect with the first suspension hook 6 and the second suspension hook 7 respectively；The first bending part of stainless steel spring pair and the second bending part are applied
Added with pulling force, a connecting plate 8,8 lower end of connecting plate are connected on the second bending lower surface of the fixed seat 4 at one end
It is connected with a Non auto-reset switch 9, in the utility model specific embodiment, Non auto-reset switch 9 chooses contact switch,
Steel wire rope is connected with elevator, and wirerope-winding is in upper speed limit device wheel 1, therefore the gravity of elevator itself or elevator load object are to steel
Cord is applied with drag force, and since wirerope-winding is in upper speed limit device wheel 1, upper speed limit device wheel 1 is by the steel wire for being connected with elevator
When the pulling force effect of rope, contact switch and the first bending part are from Non auto-reset switch is not triggered at this time, and elevator is normal
Fortune；Stainless steel spring is tensional state when steel wire rope pine excessively in operational process or disconnects suddenly when due to normal operating condition
When, at this time the steel wire rope of elevator not to upper speed limit device wheel 1 apply pulling force, the first bending part by stainless steel spring pulling force effect with
Contact switch contacts, and the safety return circuit for triggering elevator disconnects, and elevator is out of service at this time, and safety coefficient is high, is not susceptible to thing
Therefore.
In specific embodiment of the utility model, corrosion occurs in order to anti-locking apparatus, prolongs the service life, connects
Plate 8 chooses stainless steel connecting plate, and fixed seat 4 chooses stainless steel fixed seat, and limiter of speed wheel cap 3 chooses stainless steel limiter of speed wheel cap,
And it is the stainless steel with some strength and rigidity.
It can be seen that the overhead speed limiter tensioning device of the utility model, apparatus structure is simple, detachable, can
Solve the safety problem for worker's repair that existing elevator expansion apparatus faces so that maintenance personal directly upper can fill this up to computer room
It sets and repairs maintenance, space is sufficient in computer room, movable range is big, maintenance operation is convenient, and safety coefficient is high.
It should be noted that connecting plate, fixed seat and speed limit in the overhead speed limiter tensioning device of the utility model
Device wheel lid material is not limited to a kind of stainless steel this material, as long as having some strength and rigidity material, can ensure whole
A device it is stable and firm.Elastic element is also not limited to stainless steel spring, and this is a kind of, as long as with certain elastic, easy
The elastic element of recovery.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, according to the thought of the utility model, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of overhead speed limiter tensioning device, it is characterised in that：Including upper speed limit device wheel (1), wheel shaft (2), speed limit device wheel
(3), fixed seat (4) and elastic element (5) are covered, is connected at the top of the bottom of the fixed seat (4) and the limiter of speed wheel cap (3)
Connect, the both ends outward bending of limiter of speed wheel cap (3) bottom forms the first bending part, at the top of the fixed seat (4) both ends to
It is bent to form the second bending part outside, the wheel shaft (2) is fixed on the lower surface of first bending part, the upper speed limit device wheel
(1) it is set on the wheel shaft (2) and the upper speed limit device wheel (1) is located at below the limiter of speed wheel cap (3), be located at the same side
First bending part and second bending part between be respectively connected with an elastic element (5), the elastic element (5)
Pulling force, second bending of the fixed seat (4) at one end are applied with to first bending part and second bending part
Be connected with a connecting plate (8) on lower surface, connecting plate (8) lower end is connected with Non auto-reset switch (9), it is described on
Speed limit device wheel (1) by the steel wire rope for being connected with elevator pulling force effect when, Non auto-reset switch (9) and described first curved
Folding part detaches；When the steel wire rope of elevator does not apply pulling force to the upper speed limit device wheel (1), first bending part is by the elasticity
Element (5) pulling force effect switchs (9) with the Non auto-reset and contacts, and the safety return circuit for triggering elevator disconnects, and elevator stops
Operation.
2. overhead speed limiter tensioning device according to claim 1, it is characterised in that：The fixed seat (4) is fixed on
In computer room on girder steel, the intermediate recessed formation recessed portion of the fixed seat (4), the top of the limiter of speed wheel cap (3) with it is described solid
The bottom of the recessed portion of reservation (4) is bolted to connection.
3. overhead speed limiter tensioning device according to claim 1, it is characterised in that：The Non auto-reset switch
(9) it is contact switch.
4. overhead speed limiter tensioning device according to claim 1, it is characterised in that：Wheel shaft (2) both ends are logical
U-bolt is crossed on first bending part.
5. overhead speed limiter tensioning device according to claim 1, it is characterised in that：The connecting plate (8) is stainless
Steel connecting plate, the fixed seat (4) are stainless steel fixed seat, and the limiter of speed wheel cap (3) is stainless steel limiter of speed wheel cap.
6. overhead speed limiter tensioning device according to claim 1, it is characterised in that：The elastic element (5) is not
Become rusty steel spring.
7. overhead speed limiter tensioning device according to claim 6, it is characterised in that：First bending part is equipped with
First suspension hook (6), the position that first suspension hook (6) is corresponded on second bending part is equipped with the second suspension hook (7), described
The both ends of elastic element (5) are connect with first suspension hook (6) and second suspension hook (7) respectively.
8. overhead speed limiter tensioning device according to claim 6, it is characterised in that：Described first positioned at the same side
It is connected by two elastic elements (5) between bending part and second bending part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994541.XU CN207684687U (en) | 2017-08-10 | 2017-08-10 | A kind of overhead speed limiter tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994541.XU CN207684687U (en) | 2017-08-10 | 2017-08-10 | A kind of overhead speed limiter tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207684687U true CN207684687U (en) | 2018-08-03 |
Family
ID=62987788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720994541.XU Withdrawn - After Issue CN207684687U (en) | 2017-08-10 | 2017-08-10 | A kind of overhead speed limiter tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207684687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265237A (en) * | 2017-08-10 | 2017-10-20 | 升华电梯有限公司 | A kind of overhead speed limiter tensioning device |
-
2017
- 2017-08-10 CN CN201720994541.XU patent/CN207684687U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265237A (en) * | 2017-08-10 | 2017-10-20 | 升华电梯有限公司 | A kind of overhead speed limiter tensioning device |
| CN107265237B (en) * | 2017-08-10 | 2023-09-29 | 北京升华电梯集团有限公司 | Upper speed limiter tensioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180803 Effective date of abandoning: 20230929 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180803 Effective date of abandoning: 20230929 |